擅长:python、mysql、java
<pre><code> Linear Logarithmic
Forward pos = V * X/max pos = log(V) * X/log(max)
Reverse V = pos * max/X V = B^( pos * log(max)/X )
</code></pre>
<p>(B为对数底)</p>
<p>显然,您必须确保V>;=1(V=1对应于pos=0,V=0..1对应于-inf..0,对于V<;0,没有定义对数)。在</p>